#include <iostream>
#include <string>
#include <vector>
using namespace std;

bool isNumber(char& it)
{
    if ((it >= '0') && (it <= '9'))
    {
        return true;
    }
    return false;
}

int main() {
    vector<vector<string>> arr;
    string str;
    cin >> str;
    int index = 0;
    int m = 0;
    int n = 0;
    for (int i = 0; i < str.size(); ++i)
    {
        if (isNumber(str[i]))
        {
            arr[index].push_back(string(str[i]));

        }
    }

}
